| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.internal.widget; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.text.BoringLayout; |
| import android.text.Layout; |
| import android.text.StaticLayout; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.view.RemotableViewMethod; |
| import android.widget.RemoteViews; |
| import android.widget.TextView; |
| |
| /** |
| * A TextView that can float around an image on the end. |
| * |
| * @hide |
| */ |
| @RemoteViews.RemoteView |
| public class ImageFloatingTextView extends TextView { |
| |
| private boolean mHasImage; |
| |
| public ImageFloatingTextView(Context context) { |
| this(context, null); |
| } |
| |
| public ImageFloatingTextView(Context context, @Nullable AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public ImageFloatingTextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public ImageFloatingTextView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, |
| Layout.Alignment alignment, boolean shouldEllipsize, |
| TextUtils.TruncateAt effectiveEllipsize, boolean useSaved) { |
| CharSequence text = getText() == null ? "" : getText(); |
| StaticLayout.Builder builder = StaticLayout.Builder.obtain(text, 0, text.length(), |
| getPaint(), wantWidth) |
| .setAlignment(alignment) |
| .setTextDirection(getTextDirectionHeuristic()) |
| .setLineSpacing(getLineSpacingExtra(), getLineSpacingMultiplier()) |
| .setIncludePad(getIncludeFontPadding()) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_HIGH_QUALITY) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_FULL); |
| // we set the endmargin on the first 2 lines. this works just in our case but that's |
| // sufficient for now. |
| int endMargin = (int) (getResources().getDisplayMetrics().density * 52); |
| int[] margins = mHasImage ? new int[] {endMargin, endMargin, 0} : null; |
| if (getLayoutDirection() == LAYOUT_DIRECTION_RTL) { |
| builder.setIndents(margins, null); |
| } else { |
| builder.setIndents(null, margins); |
| } |
| |
| return builder.build(); |
| } |
| |
| @RemotableViewMethod |
| public void setHasImage(boolean hasImage) { |
| mHasImage = hasImage; |
| // The new layout will be automatically created when the text is |
| // set again by the notification. |
| } |
| } |